# Relationship history for MSHA mine 1518512

Current hierarchy: **Douglas  Bingham → Rimco, LLC → Flat Creek**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Rimco, LLC → Flat Creek; 2002-02-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Douglas  Bingham → Flat Creek; 2002-02-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Douglas  Bingham → Rimco, LLC; 2002-02-04 to current/open; source msha-controller-operator-history